20385822

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1$

素因数の和:265

約数の個数: 64

約数和(自身を含む): 46414080

約数和(自身を除く): 26028258

約数列:

[1, 2, 3, 6, 17, 19, 34, 38, 51, 57, 67, 102, 114, 134, 157, 201, 314, 323, 402, 471, 646, 942, 969, 1139, 1273, 1938, 2278, 2546, 2669, 2983, 3417, 3819, 5338, 5966, 6834, 7638, 8007, 8949, 10519, 16014, 17898, 21038, 21641, 31557, 43282, 50711, 63114, 64923, 101422, 129846, 152133, 178823, 199861, 304266, 357646, 399722, 536469, 599583, 1072938, 1199166, 3397637, 6795274, 10192911, 20385822]

約数ペア:

[(1, 20385822), (2, 10192911), (3, 6795274), (6, 3397637), (17, 1199166), (19, 1072938), (34, 599583), (38, 536469), (51, 399722), (57, 357646), (67, 304266), (102, 199861), (114, 178823), (134, 152133), (157, 129846), (201, 101422), (314, 64923), (323, 63114), (402, 50711), (471, 43282), (646, 31557), (942, 21641), (969, 21038), (1139, 17898), (1273, 16014), (1938, 10519), (2278, 8949), (2546, 8007), (2669, 7638), (2983, 6834), (3417, 5966), (3819, 5338)]